<template>
  <el-card>
    <div slot="header" class="header">
      <div class="category-header">
        <span>销售额类别占比</span>
        <el-radio-group v-model="value">
          <el-radio-button label="全部渠道"></el-radio-button>
          <el-radio-button label="线上"></el-radio-button>
          <el-radio-button label="门店"></el-radio-button>
        </el-radio-group>
      </div>
    </div>
    <div>
      <!-- 容器 -->
      <div class="charts" ref="charts"></div>
    </div>
  </el-card>
</template>

<script>
import echarts from 'echarts'
export default {
  name: 'Category',
  data(){
    return{
      value: '全部渠道'
    }
  },
  mounted(){
    let CategoryCharts = echarts.init(this.$refs.charts)
    CategoryCharts.setOption({
      title:{
        text: "视频",
        subtext: 1048,
        left:'center',
        top:'center'
      },
      tooltip:{
        trigger:'item',
      },
      series:[
        {
          name:"",
          type:'pie',
          radius:['40%','70%'],
          avoidLabelOverlap:false,
          itemStyle:{
            borderRadius:10,
            borderColor:'#fff',
            borderWidth:2,
          },
          label:{
            show:true,
            position:'outsize',
          },
          emphasis:{
            label:{
              show:true,
              fontSize:'20',
              fontWeight:'bold',
            },
          },
          labelLine:{
            show:true,
          },
          data:[
            {value:300, name:"视屏广告"},
            {value:1048, name:"搜索引擎"},
            {value:735, name:"直接访问"},
            {value:580, name:"邮件营销"},
            {value:483, name:"联盟广告"},
          ],
        }
      ]
    })
    // 绑定事件
    CategoryCharts.on('mouseover', (params)=>{
      // 获取鼠标移上去的那条数据
      const {name, value} = params;
      CategoryCharts.setOption({
        title:{
          text: name,
          subtext: value,
        }
      })
    })
  }
}
</script>

<style scoped>
.category-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.header{
  border-bottom: 1px solid #eee;
  padding-bottom: 6px;
}
.charts{
  width: 100%;
  height: 220px;
}
</style>